X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fview.hpp;h=7fef8419e625232b7013eb4e4e84a7bbcae60af0;hp=8c41fd9e40692e504c9db06c39a26f4aa5a92f6d;hb=HEAD;hpb=641574bcc118be0b6dc3a65039ab3497f9d7241a

diff --git a/pv/views/trace/view.hpp b/pv/views/trace/view.hpp
index 8c41fd9e..7fef8419 100644
--- a/pv/views/trace/view.hpp
+++ b/pv/views/trace/view.hpp
@@ -17,17 +17,18 @@
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEW_HPP
-#define PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEW_HPP
+#ifndef PULSEVIEW_PV_VIEWS_TRACE_VIEW_HPP
+#define PULSEVIEW_PV_VIEWS_TRACE_VIEW_HPP
 
 #include <cstdint>
 #include <list>
 #include <memory>
+#include <mutex>
 #include <set>
-#include <unordered_map>
 #include <vector>
 
 #include <QAbstractScrollArea>
+#include <QShortcut>
 #include <QSizeF>
 #include <QSplitter>
 
@@ -42,8 +43,7 @@
 #include "tracetreeitemowner.hpp"
 
 using std::list;
-using std::unordered_map;
-using std::unordered_set;
+using std::map;
 using std::set;
 using std::shared_ptr;
 using std::vector;
@@ -64,12 +64,10 @@ namespace views {
 
 namespace trace {
 
-class CursorHeader;
 class DecodeTrace;
 class Header;
 class Ruler;
 class Signal;
-class Trace;
 class Viewport;
 class TriggerMarker;
 
@@ -97,25 +95,36 @@ private:
 	static const pv::util::Timestamp MinScale;
 
 	static const int MaxScrollValue;
+	static const int ViewScrollMargin;
 
 	static const int ScaleUnits[3];
 
 public:
-	explicit View(Session &session, bool is_main_view=false, QWidget *parent = nullptr);
+	explicit View(Session &session, bool is_main_view=false, QMainWindow *parent = nullptr);
 
 	~View();
 
-	Session& session();
-	const Session& session() const;
+	virtual ViewType get_type() const;
+
+	/**
+	 * Resets the view to its default state after construction. It does however
+	 * not reset the signal bases or any other connections with the session.
+	 */
+	virtual void reset_view_state();
+
+	Session& session();  // This method is needed for TraceTreeItemOwner, not ViewBase
+	const Session& session() const;  // This method is needed for TraceTreeItemOwner, not ViewBase
 
 	/**
 	 * Returns the signals contained in this view.
 	 */
-	unordered_set< shared_ptr<Signal> > signals() const;
+	vector< shared_ptr<Signal> > signals() const;
 
-	virtual void clear_signals();
+	shared_ptr<Signal> get_signal_by_signalbase(shared_ptr<data::SignalBase> base) const;
 
-	void add_signal(const shared_ptr<Signal> signal);
+	virtual void clear_signalbases();
+	virtual void add_signalbase(const shared_ptr<data::SignalBase> signalbase);
+	virtual void remove_signalbase(const shared_ptr<data::SignalBase> signalbase);
 
 #ifdef ENABLE_DECODE
 	virtual void clear_decode_signals();
@@ -125,6 +134,10 @@ public:
 	virtual void remove_decode_signal(shared_ptr<data::DecodeSignal> signal);
 #endif
 
+	void remove_trace(shared_ptr<Trace> trace);
+
+	shared_ptr<Signal> get_signal_under_mouse_cursor() const;
+
 	/**
 	 * Returns the view of the owner.
 	 */
@@ -136,11 +149,13 @@ public:
 	virtual const View* view() const;
 
 	Viewport* viewport();
-
 	const Viewport* viewport() const;
 
-	virtual void save_settings(QSettings &settings) const;
+	QAbstractScrollArea* scrollarea() const;
+
+	const Ruler* ruler() const;
 
+	virtual void save_settings(QSettings &settings) const;
 	virtual void restore_settings(QSettings &settings);
 
 	/**
@@ -165,10 +180,12 @@ public:
 	 */
 	const pv::util::Timestamp& ruler_offset() const;
 
-	void set_zero_position(pv::util::Timestamp& position);
+	void set_zero_position(const pv::util::Timestamp& position);
 
 	void reset_zero_position();
 
+	pv::util::Timestamp zero_offset() const;
+
 	/**
 	 * Returns the vertical scroll offset.
 	 */
@@ -179,6 +196,16 @@ public:
 	 */
 	void set_v_offset(int offset);
 
+	/**
+	 * Sets the visual h-offset.
+	 */
+	void set_h_offset(int offset);
+
+	/**
+	 * Gets the length of the horizontal scrollbar.
+	 */
+	int get_h_scrollbar_maximum() const;
+
 	/**
 	 * Returns the SI prefix to apply to the graticule time markings.
 	 */
@@ -228,7 +255,7 @@ public:
 
 	void zoom_fit(bool gui_state);
 
-	void zoom_one_to_one();
+	virtual void focus_on_range(uint64_t start_sample, uint64_t end_sample);
 
 	/**
 	 * Sets the scale and offset.
@@ -237,33 +264,17 @@ public:
 	 */
 	void set_scale_offset(double scale, const pv::util::Timestamp& offset);
 
-	set< shared_ptr<pv::data::SignalData> > get_visible_data() const;
+	vector< shared_ptr<pv::data::SignalData> > get_visible_data() const;
 
 	pair<pv::util::Timestamp, pv::util::Timestamp> get_time_extents() const;
 
-	/**
-	 * Enables or disables colored trace backgrounds. If they're not
-	 * colored then they will use alternating colors.
-	 */
-	void enable_colored_bg(bool state);
-
 	/**
 	 * Returns true if the trace background should be drawn with a colored background.
 	 */
 	bool colored_bg() const;
 
 	/**
-	 * Enable or disable showing sampling points.
-	 */
-	void enable_show_sampling_points(bool state);
-
-	/**
-	 * Enable or disable showing the analog minor grid.
-	 */
-	void enable_show_analog_minor_grid(bool state);
-
-	/**
-	 * Returns true if cursors are displayed. false otherwise.
+	 * Returns true if cursors are displayed, false otherwise.
 	 */
 	bool cursors_shown() const;
 
@@ -272,10 +283,17 @@ public:
 	 */
 	void show_cursors(bool show = true);
 
+	/**
+	 * Sets the cursors to the given offsets.
+	 * You still have to call show_cursors() separately.
+	 */
+	void set_cursors(pv::util::Timestamp& first, pv::util::Timestamp& second);
+
 	/**
 	 * Moves the cursors to a convenient position in the view.
+	 * You still have to call show_cursors() separately.
 	 */
-	void centre_cursors();
+	void center_cursors();
 
 	/**
 	 * Returns a reference to the pair of cursors.
@@ -285,7 +303,7 @@ public:
 	/**
 	 * Adds a new flag at a specified time.
 	 */
-	void add_flag(const pv::util::Timestamp& time);
+	shared_ptr<Flag> add_flag(const pv::util::Timestamp& time);
 
 	/**
 	 * Removes a flag from the list.
@@ -298,13 +316,25 @@ public:
 	vector< shared_ptr<Flag> > flags() const;
 
 	const QPoint& hover_point() const;
+	const QWidget* hover_widget() const;
+
+	/**
+	 * Determines the closest level change (i.e. edge) to a given point, which
+	 * is useful for e.g. the "snap to edge" functionality.
+	 *
+	 * @param p The current position of the mouse cursor
+	 * @return The sample number of the nearest level change or -1 if none
+	 */
+	int64_t get_nearest_level_change(const QPoint &p);
 
 	void restack_all_trace_tree_items();
 
+	int header_width() const;
+
 	void on_setting_changed(const QString &key, const QVariant &value);
 
 Q_SIGNALS:
-	void hover_point_changed(const QPoint &hp);
+	void hover_point_changed(const QWidget* widget, const QPoint &hp);
 
 	void selection_changed();
 
@@ -337,6 +367,9 @@ Q_SIGNALS:
 	/// @param mode is a value of Trace::SegmentDisplayMode
 	void segment_display_mode_changed(int mode, bool segment_selectable);
 
+	/// Emitted when the cursors are shown/hidden
+	void cursor_state_changed(bool show);
+
 public Q_SLOTS:
 	void trigger_event(int segment_id, util::Timestamp location);
 
@@ -360,9 +393,7 @@ private:
 	void adjust_top_margin();
 
 	void update_scroll();
-
 	void reset_scroll();
-
 	void set_scroll_default();
 
 	void determine_if_header_was_shrunk();
@@ -373,22 +404,23 @@ private:
 
 	TraceTreeItemOwner* find_prevalent_trace_group(
 		const shared_ptr<sigrok::ChannelGroup> &group,
-		const unordered_map<shared_ptr<data::SignalBase>,
-			shared_ptr<Signal> > &signal_map);
+		const map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > &signal_map);
 
 	static vector< shared_ptr<Trace> >
 		extract_new_traces_for_channels(
 		const vector< shared_ptr<sigrok::Channel> > &channels,
-		const unordered_map<shared_ptr<data::SignalBase>,
-			shared_ptr<Signal> > &signal_map,
+		const map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > &signal_map,
 		set< shared_ptr<Trace> > &add_list);
 
 	void determine_time_unit();
 
 	bool eventFilter(QObject *object, QEvent *event);
 
+	virtual void contextMenuEvent(QContextMenuEvent *event);
+
 	void resizeEvent(QResizeEvent *event);
 
+	void update_view_range_metaobject() const;
 	void update_hover_point();
 
 public:
@@ -398,13 +430,19 @@ public:
 	void extents_changed(bool horz, bool vert);
 
 private Q_SLOTS:
-
 	void on_signal_name_changed();
 	void on_splitter_moved();
 
+	void on_zoom_in_shortcut_triggered();
+	void on_zoom_out_shortcut_triggered();
+	void on_scroll_to_start_shortcut_triggered();
+	void on_scroll_to_end_shortcut_triggered();
+
 	void h_scroll_value_changed(int value);
 	void v_scroll_value_changed();
 
+	void on_grab_ruler(int ruler_id);
+
 	void signals_changed();
 	void capture_state_updated(int state);
 
@@ -414,6 +452,8 @@ private Q_SLOTS:
 
 	void on_settingViewTriggerIsZeroTime_changed(const QVariant new_value);
 
+	void on_create_marker_here();
+
 	virtual void perform_delayed_view_update();
 
 	void process_sticky_events();
@@ -466,7 +506,14 @@ private:
 	Header *header_;
 	QSplitter *splitter_;
 
-	unordered_set< shared_ptr<Signal> > signals_;
+	QShortcut *zoom_in_shortcut_, *zoom_in_shortcut_2_;
+	QShortcut *zoom_out_shortcut_, *zoom_out_shortcut_2_;
+	QShortcut *home_shortcut_, *end_shortcut_;
+	QShortcut *grab_ruler_left_shortcut_, *grab_ruler_right_shortcut_;
+	QShortcut *cancel_grab_shortcut_;
+
+	mutable mutex signal_mutex_;
+	vector< shared_ptr<Signal> > signals_;
 
 #ifdef ENABLE_DECODE
 	vector< shared_ptr<DecodeTrace> > decode_traces_;
@@ -484,9 +531,13 @@ private:
 	pv::util::Timestamp offset_;
 	/// The ruler version of the time offset in seconds.
 	pv::util::Timestamp ruler_offset_;
+	/// The offset of the zero point in seconds.
+	pv::util::Timestamp zero_offset_;
+	/// Shows whether the user set a custom zero offset that we should keep
+	bool custom_zero_offset_set_;
 
 	bool updating_scroll_;
-	bool settings_restored_;
+	bool restoring_state_;
 	bool header_was_shrunk_;
 
 	bool sticky_scrolling_;
@@ -507,7 +558,11 @@ private:
 
 	vector< shared_ptr<TriggerMarker> > trigger_markers_;
 
+	QWidget* hover_widget_;
+	TimeMarker* grabbed_widget_;
 	QPoint hover_point_;
+	shared_ptr<Signal> signal_under_mouse_cursor_;
+	uint16_t snap_distance_;
 
 	unsigned int sticky_events_;
 	QTimer lazy_event_handler_;
@@ -515,22 +570,19 @@ private:
 	// This is true when the defaults couldn't be set due to insufficient info
 	bool scroll_needs_defaults_;
 
-	// A nonzero value indicates the v offset to restore. See View::resizeEvent()
+	// The v offset to restore. See View::eventFilter()
 	int saved_v_offset_;
 
 	// These are used to determine whether the view was altered after acq started
 	double scale_at_acq_start_;
 	pv::util::Timestamp offset_at_acq_start_;
 
-	// Used to suppress performing a "zoom to fit" when the session stops. This
-	// is needed when the view's settings are restored before acquisition ends.
-	// In that case we want to keep the restored settings, not have a "zoom to fit"
-	// mess them up.
-	bool suppress_zoom_to_fit_after_acq_;
+	// X coordinate of mouse cursor where the user clicked to open a context menu
+	uint32_t context_menu_x_pos_;
 };
 
 } // namespace trace
 } // namespace views
 } // namespace pv
 
-#endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEW_HPP
+#endif // PULSEVIEW_PV_VIEWS_TRACE_VIEW_HPP